Introduction to CompTIA ITF+

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A mobile device with a touch screen interface, typically used for communication, browsing the internet, and running apps.

A larger mobile device with a touchscreen, designed for multimedia consumption, browsing, and productivity.

The software that controls the basic operations of a mobile device and allows you to use apps.

Small programs that perform specific tasks on a mobile device, such as communication, games, or productivity tools.

A certification that prepares individuals for entry-level IT roles, focusing on basic troubleshooting and support for mobile devices.

A common job for IT professionals, involving troubleshooting, problem-solving, and support for computer systems and networks.

An IT role focused on maintenance, repair, and troubleshooting of computer hardware and software.

A type of exam question that presents a scenario and requires the test-taker to select the best solution from given options.

A type of exam question that assesses practical skills by asking test-takers to perform a specific task.

Online resources that provide training and practice for an exam, often featuring interactive lessons and simulations.

Central processing unit (CPU) handles instructions and calculations. RAM is temporary storage for data being used. Storage like hard drives (HDD) or solid state drives (SSD) store information persistently.

Input devices send data to the computer, like a keyboard or mouse. Output devices display or transmit data, like a monitor or printer.

Network interface cards (NIC) connect devices to the network, routers direct traffic between networks, and switches provide efficient data transfer within a network.

Operating systems manage computer resources like files, applications, and user accounts. Windows, macOS, and Linux are examples.

Application software lets users perform specific tasks, like writing documents, making spreadsheets, or creating presentations.

Bus topology connects devices in a single line, star topology connects devices to a central hub, and ring topology connects devices in a circular chain.

TCP/IP is a fundamental protocol that enables data transmission over different networks. It allows computers to communicate and exchange information.

Malicious software (malware) aims to harm computer systems. Phishing attempts to steal sensitive data. Social engineering exploits human psychology for unauthorized access.

Password management involves creating strong passwords and using password managers for secure storage. Data backups create copies of important data to prevent loss. Basic security principles include being cautious about attachments and using strong authentication.

Identifying the problem, gathering information, investigating possible solutions, and implementing and testing the fix are fundamental steps for effective troubleshooting.